package com.sky.controller.admin;

import com.sky.constant.StatusConstant;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags="菜品管理相关接口")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;


    /*
    * 新增菜品、
    * @Param [dishDTO]
    * return
    * */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result<String> save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品：{}",dishDTO);
        dishService.saceWithFlavor(dishDTO);
        // 清理缓存
        Long categoryId = dishDTO.getCategoryId();
        String key = "dish_" + categoryId;
        cleanCache(key);
        return Result.success();
    }

    /*
    * 分页查询菜品
    * */
    @GetMapping("/page")
    @ApiOperation("分页查询菜品")
    public Result<PageResult> page(DishPageQueryDTO  dishPageQueryDTO){
        log.info("分页查询菜品：{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    /*
    * 菜品批量删除
    * @Param [ids]
    * return
    * */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result<String> delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除：{}",ids);
        dishService.deleteBatch(ids);
        // 清理缓存
        cleanCache("dish_*");
        return Result.success();
    }


    /*
    * 根据id查询菜品和相关的口味数据*/
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品和相关的口味数据")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品和相关的口味数据：{}",id);

        return Result.success(dishService.getByIdWithFlavor(id));
    }

    /*
    * 修改菜品
    * */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result<String> update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);
        // 清理缓存
        cleanCache("dish_*");
        return Result.success();
    }

    /*
    * POST /admin/dish/status/0
    * */
    @PostMapping("/status/{status}")
    @ApiOperation("起售停售菜品")
    public Result<String> startOrStop(@PathVariable Integer status,Long id){
        log.info("起售停售菜品：{},{}",status,id);
        dishService.startOrStop(status,id);
        // 清理缓存
        cleanCache("dish_*");
        return Result.success();
    }


    /*
     * 清理缓存数据
     *
     * */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }




}
